1. Our cordless hair straightening comb has a built-in 2600mAh 18650 rechargeable lithium battery, with a USB charging cable, 5V 2A charging takes about 4 hours to fully charge, and it can last for 40 minutes. Easy to use, no wires to get tangled, no need to fix to the wall, use anytime, anywhere with unlimited styling. Note: Do not use while charging.2. This multi-functional curling iron has a 2-in-1 design and can be used for both curling and straightening. Three levels of temperature adjustment 160C-180C-200C, 160C is suitable for fine and soft hair, 180C is suitable for normal hair, 205C is suitable for hard hair, light display. Long press for 3 seconds to power on, short press to adjust temperature.3. Our hair straightener adopts PTC ceramic heating elements, which can heat at a constant temperature and heat up in . It can be quickly heated to shape, and the hair can be maintained at constant temperature.4. Thoughtful design: The curling iron adopts USB interface, which is convenient to charge. You can charge it through mobile power supply, car charger, mobile phone charger, etc.; the closed lock is convenient for storage; the anti-scald design is safe to touch.5. The hair straightener is light and compact, easy to carry. It doesn't take up much space. into your purse or handbag and takes it with you for travel and on-the-go.size: 23.5 x 3.7 x 3.7cmMaterial: ABScolour: blackPackage Contents:1 x Hair Straightener1 x USB cableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.